export default {
    setCookie: function (cname, cvalue, exdays) {
        var d = new Date();
        d.setTime(d.getTime() + (exdays * 24 * 60 * 60 * 1000));
        var expires = "expires=" + d.toUTCString();
        document.cookie = cname + "=" + cvalue + "; " + expires;
    },

    getCookie: function (cname) {
        var name = cname + "=";
        var ca = document.cookie.split(';');
        for (var i = 0; i < ca.length; i++) {
            var c = ca[i];
            while (c.charAt(0) == ' ') c = c.substring(1);
            if (c.indexOf(name) != -1) return c.substring(name.length, c.length);
        }
        return "";
    },
    clearCookie: function () {
        this.setCookie("name", "", -1);
        this.setCookie("identity", "", -1);
        this.setCookie("hasLogin", "", -1);


    },
    checkCookie: function () {
        var user = this.getCookie("username");
        if (user != "") {
            alert("Welcome again " + user);
        } else {
            user = prompt("Please enter your name:", "");
            if (user != "" && user != null) {
                this.setCookie("username", user, 365);
            }
        }
    }
}